@article{16182,
      author       = "Harris, George,Jr. and Graham, Le Roy C. and XIII. Congress
                      of the International Society for Photogrammetry. Helsinki,
                      July 11 to 23, 1976. Commission VII",
      title        = "Landsat - Radar Synergism  ",
      year         = "1976",
      note         = "separát",
}